Thank you for your questions,
Do you mean to use this setUseVertexAttributeAliasing(true)
only in GL version that only supports shaders ? <br><br><div class="gmail_quote"><div dir="auto" class="gmail_attr">在2020年10月16日星期五 UTC+8 下午4:38:34<OpenSceneGraph Users> 写道：<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div dir="ltr"><div>Hi ?</div><div><br></div><div>OpenGL and OSG strandles and old fixed function pipeline era and shaders. You can select a pure shaders subset of OpenGL at compile time and runtime, and you can also toggle on/off some mappings the OSG provide between the GL2.x GLSL built in variables and osg_ equivalents useful for GLES2.x/GL3.x+. <br></div><div><br></div><div>The scene graphs you build for each of these scenarios will need to be different - you can't use fixed function pipeline state with a GL version that only supports shaders. I know nothing about your particular .ive but my best guess is that it's not compatible with the subset of OpenGL you selecting.<br></div><div><br></div><div>Robert.<br></div></div><br><div class="gmail_quote"></div><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 16 Oct 2020 at 03:55, OpenSceneGraph Users <<a href data-email-masked rel="nofollow">osg-...@lists.openscenegraph.org</a>> wrote:<br></div></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>env is system Win10 ,osg 3.6.4, osgearth 2.10.0,GTX1660 TI</div><div><br></div>Why is there an error in the model texture display when this function is turn on?<br><div><br></div><div><div> const int width( 800 ), height( 450 );</div><div> const std::string version( "4.3" );</div><div> osg::ref_ptr< osg::GraphicsContext::Traits > traits = new osg::GraphicsContext::Traits();</div><div> traits->x = 20; traits->y = 30;</div><div> traits->width = width; traits->height = height;</div><div> traits->windowDecoration = true;</div><div> traits->doubleBuffer = true;</div><div> traits->glContextVersion = version;</div><div> traits->readDISPLAY();</div><div> traits->setUndefinedScreenDetailsToDefaultScreen();</div><div> osg::ref_ptr< osg::GraphicsContext > gc = osg::GraphicsContext::createGraphicsContext( traits.get() );</div><div> if( !gc.valid() )</div><div> {</div><div> osg::notify( osg::FATAL ) << "Unable to create OpenGL v" << version << " context." << std::endl;</div><div> return( 1 );</div><div> }</div></div><div><img alt="Q20201012125957.png" src="https://groups.google.com/group/osg-users/attach/3c21eb713e4ac/Q20201012125957.png?part=0.0.1&view=1" width="534px" height="310px"><br></div>
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